Guerra Fría

Capitalista

1945
1948
1949
1950 - 1953
1955 - 1975
1957
1960
1961 - 1963
1961 - 1989
1 April 1961
1962
1963
1963
1969
1970
1973
1979 - 1990
1981 - 1989

Comunistas

1945
1949
1950 - 1953
1953
1955 - 1975
1955
1956
1957
1959
1960
1962
1968
1978 - 1991
1985
1985 - 1991
1985
1986
1991
Approx. 2 January 1991

3er Mundista

1945
1947
1948
1953
1955
1956
1956
1956
1959
1961
1962
1962
1968
1974